He said Russia is focused on developing an "asymmetrical response" to America, ensuring both countries would be destroyed in the event of an attack by either.
He said: "Our asymmetrical response is nuclear warheads that can modify their course and height so that no computer can calculate their trajectory.
"Or, for example, the Americans are deploying their tanks, airplanes and special forces battalions along the Russian border.
"We are quietly 'seeding' the U.S. shoreline with nuclear 'mole' missiles. They dig themselves in and "sleep" until they are given the command...
"Oh, it seems I've said too much," he interrupted himself by saying, before adding: "I should hold my tongue."
A Russian government spokesman dismissed Baranetz's claims, describing them as "strange" and adding that the report should "not be taken seriously."